Latitudes and Longitudes of Certain Points in Missouri, Kansas, and New Mexico (open access)

Latitudes and Longitudes of Certain Points in Missouri, Kansas, and New Mexico

A report about the latitudes and longitudes which were determined by the telegraphic method with respect to the observatory of Washington University.
Date: 1889
Creator: Woodward, Robert Simpson
System: The UNT Digital Library
On a Group of Volcanic Rocks from the Tewan Mountains, New Mexico and on the Occurrence of Primary Quartz in Certain Basalts (open access)

On a Group of Volcanic Rocks from the Tewan Mountains, New Mexico and on the Occurrence of Primary Quartz in Certain Basalts

A report about volcanic rocks from the Tewan Mountains which present a series of transitions from acid rhyolite, through audesite, to quite basic basalt.
Date: 1890
Creator: Iddings, Joseph Paxson
System: The UNT Digital Library